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CANDOR-Bench: Benchmarking In-Memory Continuous ANNS under Dynamic Open-World Streams [Experiments & Analysis]

Summary: CANDOR-Bench benchmarks in-memory continuous ANNS under dynamic open-world streams, extending Big-ANN with high-rate ingestion, drift/modality shift, noise, and concurrent query-update execution. Targets the missing regime where static ANN benchmarks miss churn, distribution shift, and update/retrieval tradeoffs. (summarized by gpt-5-mini on Apr 11 2026)

Paper ID
7647
Venue
SIGMOD
Year
2026
Pagerank
5.093636e-05
Overall Rank
10,435 | 28.41%
DOI
10.1145/3786630

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Authors

BibTeX Citation

@inproceedings{wang_sigmod26,
        title = {{CANDOR-Bench: Benchmarking In-Memory Continuous ANNS under Dynamic Open-World Streams [Experiments \& Analysis]}},
        author = {Wang, Mingqi and Dong, Junyao and Wu, Zhuoyan and Liu, Jun and Zhang, Ruicheng and Zhao, Jianjun and Wan, Ruipeng and Lei, Xinyan and Zhang, Shuhao and Zheng, Bolong and Liu, Haikun and Liao, Xiaofei and Jin, Hai},
        series = {{SIGMOD} '26},
        booktitle = {Proceedings of the {ACM} {SIGMOD} International Conference on Management of Data},
        publisher = {Association for Computing Machinery},
        doi = {10.1145/3786630},
        url = {https://dl.acm.org/doi/10.1145/3786630},
        year = {2026}
}

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Outgoing Citations (Sorted by Pagerank)

Showing 14 of 14 cited papers.

Citations counted here include only citations to other VLDB/SIGMOD/CIDR/PODS papers in this database.

Rank Cited Paper Year Venue Pagerank
21 Similarity Search in High Dimensions via Hashing 1999 VLDB 0.00056760516
286 Milvus: A Purpose-Built Vector Data Management System 2021 SIGMOD 0.00022357911
398 A Comprehensive Survey and Experimental Comparison of Graph-Based Approximate Nearest Neighbor Search 2021 VLDB 0.00019194947
805 Cache locality is not enough: High-Performance Nearest Neighbor Search with Product Quantization Fast Scan 2016 VLDB 0.00013891999
1,589 Manu: A Cloud Native Vector Database Management System 2022 VLDB 0.00010264469
1,735 High-Dimensional Approximate Nearest Neighbor Search: with Reliable and Efficient Distance Comparison Operations 2023 SIGMOD 9.9004924e-05
1,805 SAND: Streaming Subsequence Anomaly Detection 2021 VLDB 9.7116108e-05
1,934 Towards Efficient Index Construction and Approximate Nearest Neighbor Search in High-Dimensional Spaces 2023 VLDB 9.4561907e-05
2,390 Streaming Similarity Search over one Billion Tweets using Parallel Locality-Sensitive Hashing 2013 VLDB 8.6438351e-05
2,874 iBFS: Concurrent Breadth-First Search on GPUs 2016 SIGMOD 8.0094569e-05
3,240 Graph-Based Vector Search: An Experimental Evaluation of the State-of-the-Art 2025 SIGMOD 7.6071649e-05
6,615 A Topology-Aware Localized Update Strategy for Graph-Based ANN Index 2026 VLDB 5.8214312e-05
6,778 VectraFlow: Integrating Vectors into Stream Processing 2025 CIDR 5.7772535e-05
7,124 GTI: Graph-based Tree Index with Logarithm Updates for Nearest Neighbor Search in High-Dimensional Spaces 2025 VLDB 5.6961208e-05
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